Plastic Tube Skid Feet Chair Glides, Tube Plastic Skid Feet Chair Glides, Plastic Skid Feet Chair Glides for Tube, Skid Chair Glides, Plastic Skid Foot, Skid Frame Gliders, Low Profile Screw on Plastic Feet and Discreet Plastic Furniture Glides. These glides are designed to sit underneath tubular or metal frameworks and provide a discreet glider, which protects paintwork and reduces noise as well as protecting sensitive floor coverings.